... Bollard,bell mouth,chock etc, for mooring, port working equipment .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear ... car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical engineering .(7) Support of bridge applies to ... mechanical properties inspection. Mass guarantee ability: Already get ABS ISO9001-2008 quality system certification , having declared NK, ...